IST to WIB
Converting a fixed time. Asia/Kolkata → Asia/Jakarta
5:00 pm in IST is
6:30 pm in WIB.
17:00 → 18:30 on a 24-hour clock ·
IST → WIB
IST now
11:44pm
IST · UTC+5:30
Asia/Kolkata
Clocks here do not change — this zone stays on the same offset all year.
WIB now
1:14am
WIB · UTC+7
Asia/Jakarta
Clocks here do not change — this zone stays on the same offset all year.
Convert a specific time minutes work, not just whole hours
Hour by hour
| IST | WIB | 24h | Good to call? |
|---|---|---|---|
| 12am | 1am | 00:00 → 01:30 | asleep in WIB |
| 1am | 2am | 01:00 → 02:30 | asleep in WIB |
| 2am | 3am | 02:00 → 03:30 | asleep in WIB |
| 3am | 4am | 03:00 → 04:30 | asleep in WIB |
| 4am | 5am | 04:00 → 05:30 | asleep in WIB |
| 5am | 6am | 05:00 → 06:30 | asleep in WIB |
| 6am | 7am | 06:00 → 07:30 | asleep in IST |
| 7am | 8am | 07:00 → 08:30 | awake, not at work |
| 8am | 9am | 08:00 → 09:30 | awake, not at work |
| 9am | 10am | 09:00 → 10:30 | both at work |
| 10am | 11am | 10:00 → 11:30 | both at work |
| 11am | 12pm | 11:00 → 12:30 | both at work |
| 12pm | 1pm | 12:00 → 13:30 | both at work |
| 1pm | 2pm | 13:00 → 14:30 | both at work |
| 2pm | 3pm | 14:00 → 15:30 | both at work |
| 3pm | 4pm | 15:00 → 16:30 | both at work |
| 4pm | 5pm | 16:00 → 17:30 | awake, not at work |
| 5pm | 6pm | 17:00 → 18:30 | awake, not at work |
| 6pm | 7pm | 18:00 → 19:30 | awake, not at work |
| 7pm | 8pm | 19:00 → 20:30 | awake, not at work |
| 8pm | 9pm | 20:00 → 21:30 | awake, not at work |
| 9pm | 10pm | 21:00 → 22:30 | asleep in WIB |
| 10pm | 11pm | 22:00 → 23:30 | asleep in WIB |
| 11pm now | 12am Fri | 23:00 → 00:30 | asleep in WIB |
Call times
Both places are at work between 9am and 16:00 in Kolkata — 10am to 4pm at the other end.
12am
1am
1am
1am
2am
2am
2am
3am
3am
3am
4am
4am
4am
5am
5am
5am
6am
6am
6am
7am
7am
7am
8am
8am
8am
9am
9am
9am
10am
10am
10am
11am
11am
11am
12pm
12pm
12pm
1pm
1pm
1pm
2pm
2pm
2pm
3pm
3pm
3pm
4pm
4pm
4pm
5pm
5pm
5pm
6pm
6pm
6pm
7pm
7pm
7pm
8pm
8pm
8pm
9pm
9pm
9pm
10pm
10pm
10pm
11pm
11pm
11pm
12am
12am
both at work
work hours here
awake
asleep
Questions people ask
What time is it in WIB when it is 5:00 pm in IST?
6:30 pm in WIB the same day.
How many hours ahead is WIB of IST?
WIB is 1 hour 30 minutes ahead IST. Neither place changes its clocks, so that gap is the same all year. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between IST and WIB?
Both places are at work between 9am and 16:00 in Kolkata — 10am to 4pm at the other end.